4640573 has 4 divisors (see below), whose sum is σ = 5303520. Its totient is φ = 3977628.

The previous prime is 4640567. The next prime is 4640591. The reversal of 4640573 is 3750464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4640573 - 2⁴ = 4640557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331463 + ... + 331476.

It is an arithmetic number, because the mean of its divisors is an integer number (1325880).

Almost surely, 2^4640573 is an apocalyptic number.

It is an amenable number.

4640573 is a deficient number, since it is larger than the sum of its proper divisors (662947).

4640573 is an equidigital number, since it uses as much as digits as its factorization.

4640573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662946.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 4640573 is about 2154.1989230338. The cubic root of 4640573 is about 166.7978837764.

The spelling of 4640573 in words is "four million, six hundred forty thousand, five hundred seventy-three".